@InProceedings{Grimm:2003:MEA,
  author     = "S\"oren Grimm and Stefan Bruckner and Armin Kanitsar and Eduard Gr\"oller",
  title      = "Memory Efficient Acceleration Structures and Techniques for CPU-based Volume Raycasting of Large Data",
  booktitle =  "IEEE/SIGGRAPH Symposium on Volume Visualization and Graphics",
  pages      = "?--?",
  year       = "2004",
}